package cn.tfyhyc.springcloud.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;


/**
 * @author 头发又黑又长
 * @Date 2022/10/16 21:11
 * @email zwb15083976291@163.com
 */
@Component
@Slf4j
public class MyLoginGateWayFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("************** come in MyLogGateWayFilter *****************");
        String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if (uname == null) {
            log.info("********* 用户名为 null，非法用户，/(ㄒoㄒ)/~~ *********");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }
    @Override
    public int getOrder() {
        return 0;
    }
}
